Article updated: 2/14/2013 11:37 PM

NASA: Asteroid will come close Friday but miss Earth

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This image provided by NASA/JPL-Caltech shows a simulation of asteroid 2012 DA14 approaching from the south as it passes through the Earth-moon system Friday, Feb. 15, 2013. The 150-foot object will pass within 17,000 miles of the Earth. NASA scientists insist there is absolutely no chance of a collision as it passes.

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A close encounter of the rocky kind is set for Friday when an office building-size asteroid will speed past the Earth faster than a bullet and closer than some communications and GPS satellites. It will be the nearest recorded brush with a space rock so large, NASA scientists said last week.